The conductivity of 0.00241 M acetic acid is 7.896 × 10–5 S cm–1. If Λm0 for acetic acid is 390.5 S cm2 mol–1, the dissociation constant will be -

\(1. \ 2.45 \times 10^{-5} \mathrm{~mol} \ \mathrm{~L}^{-1} \\ 2. \ 1.86 \times 10^{-5} \mathrm{~mol} \ \mathrm{L^{-1}} \\ 3. \ 3.72 \times 10^{-5}\mathrm{~mol} \mathrm{~L^{-1}} \\ 4. \ 2.12 \times 10^{-5}\mathrm{~mol} \mathrm{~L^{-1}}\)

Subtopic:  Conductance & Conductivity |
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The incorrect statement(s) among the below is/are:

a. The unit of conductivity is S cm-2
b. Specific Conductivity of weak and strong electrolytes always decreases with a decrease in concentration.
c. The unit of molar conductivity is S cm2 mol-1
d. Molar conductivity increases with an increase in concentration.

1. a

2. a and d

3. b and d

4. a and c

Subtopic:  Conductance & Conductivity |
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The conductivity of 0.20 M solution of KCl at 298 K is 0.0248 S cm–1. The molar conductivity will be -

1. 124 S cm2 mol-1

2. 134 S cm2 mol-1

3. 128 S cm2 mol-1

4. 136 S cm2 mol-1

Subtopic:  Conductance & Conductivity |
To view explanation, please take trial in the course below.
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NEET 2023 - Target Batch - Aryan Raj Singh
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